90724960 has 24 divisors (see below), whose sum is σ = 214338096. Its totient is φ = 36289920.

The previous prime is 90724957. The next prime is 90724987. The reversal of 90724960 is 6942709.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283356 + ... + 283675.

It is an arithmetic number, because the mean of its divisors is an integer number (8930754).

Almost surely, 2^90724960 is an apocalyptic number.

It is an amenable number.

90724960 is an abundant number, since it is smaller than the sum of its proper divisors (123613136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90724960 is a wasteful number, since it uses less digits than its factorization.

90724960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567046 (or 567038 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 90724960 is about 9524.9650917995. The cubic root of 90724960 is about 449.3405319743.

The spelling of 90724960 in words is "ninety million, seven hundred twenty-four thousand, nine hundred sixty".